Finding the Fourth Proportional to 125,708,407.17, 173,492,704.14 and 76,147,326.68
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Solution
The fourth proportional to 125,708,407.17, 173,492,704.14 and 76,147,326.68 is: 105,092,458.94
Step by Step Solution
- Step 1: Write the proportion equation
125,708,407.17 : 173,492,704.14 = 76,147,326.68 : x - Step 2: Convert to fraction form
125,708,407.17/173,492,704.14 = 76,147,326.68/x - Step 3: Cross multiply
125,708,407.17x = 173,492,704.14 × 76,147,326.68 - Step 4: Simplify right side
125,708,407.17x = 13,211,005,619,178,900 - Step 5: Solve for x
x = 13,211,005,619,178,900/125,708,407.17 - Step 6: Final answer
x = 105,092,458.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.